Question

Use a graphing calculator or spreadsheet software to solve 4x + y + z = 1
8x – 4y – 7z = 2
5y + 9z = 3
using matrices.

Answer 1

@lolly

Answer 2

Sound familiar lolly? lol

Answer 3

uuuhhh well kinda.. im better at adding subtracting or multiplying matrices but ill try to figure this out..:)

Answer 4

@lolly is using her magic hair to help you @Reaper534

Answer 5

yeah that is easy Hero told me it would get harder he was right >.<

Answer 6

LOL

Answer 7

https://www.youtube.com/watch?v=-EnecLe_0B4

Answer 8

That's for it you want to know how to do it on excel

Answer 9

However, you might appreciate something like this:
http://www.gregthatcher.com/Mathematics/GaussJordan.aspx

Answer 10

Of course, first you will have to convert the system to a matrix first before doing anything.

Answer 11

thanks

Answer 12

ill give it a try

Answer 13

@Hero saves the day again WOOT WOOT LOL